body {
    min-width: 320px;
    max-width: 750px;
    /* flexible给我们划分了10等份 */
    width: 10rem;
    margin: 0 auto;
    line-height: 1.5;
    font-family: Arial, Helvetica;
    background: #f2f2f2;
}

a {
    text-decoration: none;
}


/* 如果我们的屏幕超过了750px那么我们就按照750设计稿来走 不会让我们页面超过750px */

@media screen and (min-width:750px) {
    html {
        font-size: 75px!important;
    }
}

.search-content {
    position: fixed;
    display: flex;
    width: 10rem;
    height: 1.173333rem;
    background-color: #FFc001;
    left: 50%;
    transform: translateX(-50%);
}

.classify {
    width: .586667rem;
    height: .933333rem;
    margin: .146667rem .333333rem .093333rem .32rem;
    background: url(../images/classify.png) no-repeat;
    background-size: .586667rem .933333rem;
}

.search {
    flex: 1;
}

.search>input {
    height: .88rem;
    border: 0;
    outline: none;
    border-radius: .44rem;
    margin-top: .16rem;
    font-size: .333333rem;
    padding-left: .733333rem;
    width: 100%;
}

.login {
    width: 1rem;
    height: .933333rem;
    font-size: .333333rem;
    text-align: center;
    line-height: .933333rem;
    margin: .133333rem;
    color: white;
}

.banner {
    width: 10rem;
    height: 4.906667rem;
}

.banner>img {
    width: 100%;
    height: 100%;
}

.ad {
    display: flex;
}

.ad a {
    flex: 1;
}

.ad a img {
    width: 100%;
    height: 100%;
}


/* .nav {
    display: flex;
    flex-wrap: wrap;
    text-align: center;
}

.nav a {
    flex: 20%;
    width: 2rem;
    height: 1.866667rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: .333333rem;
    color: black;
}

.nav a::before {
    content: "";
    display: block;
    background: url(../images/nav1.png);
    width: 1.093333rem;
    height: 1.093333rem;
    background-size: 1.093333rem;
    margin: .133333rem auto .266667rem
} */

.nav {
    width: 10rem;
}

.nav a {
    width: 2rem;
    height: 1.866667rem;
    float: left;
    text-align: center;
}

.nav a img {
    display: block;
    width: 1.093333rem;
    height: 1.093333rem;
    margin: .133333rem auto .133333rem;
}

.nav a span {
    font-size: .333333rem;
}